CN109865612B - Spreading point spraying device and spraying process of stone-like aluminum plate - Google Patents
Spreading point spraying device and spraying process of stone-like aluminum plate Download PDFInfo
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- CN109865612B CN109865612B CN201910150657.9A CN201910150657A CN109865612B CN 109865612 B CN109865612 B CN 109865612B CN 201910150657 A CN201910150657 A CN 201910150657A CN 109865612 B CN109865612 B CN 109865612B
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- 238000005507 spraying Methods 0.000 title claims abstract description 112
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 18
- 230000007480 spreading Effects 0.000 title description 3
- 239000007921 spray Substances 0.000 claims abstract description 116
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 239000003973 paint Substances 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000002966 varnish Substances 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Spray Control Apparatus (AREA)
Abstract
The invention provides a scattering point spraying device of a stone-like aluminum plate, which comprises an oil supply device, a pressure supply device, a spraying device and a control system, wherein the oil supply device is connected with the pressure supply device; the spraying device comprises a workbench, a plurality of spray guns arranged above the workbench, a spray gun moving mechanism for driving the spray guns to move along the X direction and the Z direction, and a Y-direction driving mechanism for driving the spray gun moving mechanism to move along the Y direction. The spraying process of the stone-like aluminum plate comprises the following steps of: pretreatment water washing, primer spraying, color paint spraying, first high-temperature baking, cooling, spot spraying, second high-temperature baking, varnish spraying and third high-temperature baking; and (3) performing point spraying by using the automatic point spraying device for the aluminum plate. The device and the process have high efficiency of spraying the scattering points and uniform scattering points.
Description
Technical Field
The invention relates to the technical field of spraying, in particular to a scattering point spraying device and a spraying process of a stone-like aluminum plate.
Background
The stone-like pattern aluminum plate used as curtain wall is usually formed by spraying fluorocarbon scattering points on the surface of the aluminum plate after spraying various colors on the surface of the aluminum plate. At present, when spraying the scattering points, a manual spraying mode is generally adopted, so that the efficiency is low and the scattering points are uneven.
It can be seen that the prior art is subject to improvement and advancement.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a scattering point spraying device and a spraying process of a stone-like aluminum plate, wherein the scattering point spraying efficiency is high, and the scattering points are uniform.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the point spraying device for the stone-like aluminum plate comprises an oil supply device, a pressure supply device, a spraying device and a control system; the spraying device comprises a workbench, a plurality of spray guns arranged above the workbench, a spray gun moving mechanism for driving the spray guns to move along the X direction and the Z direction, and a Y-direction driving mechanism for driving the spray gun moving mechanism to move along the Y direction; the pressure supply device is used for supplying high-pressure air to the spray gun and the oil supply device, the oil supply device can convey paint to the spray gun under the action of the high-pressure air, and the spray gun can spray paint downwards under the action of the high-pressure air; the oil supply device, the pressure supply device and the spraying device are electrically connected with the control system and controlled by the control system to work.
In the point spraying device of the stone-like aluminum plate, the oil supply device comprises a pressure oil tank for storing paint, a first air pressure regulating valve arranged at a high-pressure air inlet of the pressure oil tank, and a first flow control valve arranged at an oil outlet of the pressure oil tank; the first flow control valve is connected with the spray gun through an oil delivery pipe.
In the scattering point spraying device of the stone-like aluminum plate, the pressure supply device comprises an air compressor and a first air pressure switch arranged at the output end of the air compressor; the first air pressure switch is connected with the first air pressure regulating valve and the spray gun through an air pipe; a second air pressure regulating valve is arranged between the first air pressure switch and the spray gun.
The point spraying device of imitative stone grain aluminum plate in, Y to actuating mechanism include two C type guide slots that extend and the opening up along Y direction, be provided with a transmission belt in every C type guide slot, every C type guide slot top slip is provided with a slip table, slip table links firmly with corresponding transmission belt, two transmission belts are by a universal driving axle synchronous drive, this universal driving axle is by a servo motor drive.
In the point spraying device of the stone texture imitation aluminum plate, the spray gun moving mechanism comprises two upright posts respectively arranged on two sliding tables, a guide rail connected between the two upright posts along the X direction, a sliding frame connected with the guide rail in a sliding manner, an X-direction driving mechanism for driving the sliding frame to reciprocate on the guide rail, and a lifting mechanism arranged on the sliding frame and capable of moving along the Z direction; the spray gun is arranged on the lifting mechanism.
In the scattering point spraying device of the stone-like aluminum plate, the X-direction driving mechanism comprises a screw transmission pair consisting of a screw and a screw nut and a servo motor for driving the screw to rotate; the screw rod is connected between the two upright posts along the X direction, and the screw rod nut is fixedly connected with the sliding frame.
In the scattering point spraying device of the stone-like aluminum plate, the X-direction driving mechanism comprises a gear-rack transmission pair consisting of a rack and a corresponding gear, and a servo motor for driving the gear to rotate; the rack is connected between two upright posts along the X direction, the servo motor is downwards fixed on the carriage, and the gear is arranged on the output shaft of the servo motor and meshed with the rack
In the scattering point spraying device of the stone texture-like aluminum plate, the lifting mechanism comprises a mounting plate, a rack, a gear and a motor, wherein the mounting plate is arranged on the sliding frame in a sliding manner, the rack is arranged on one side of the mounting plate, the gear is meshed with the rack, and the motor is used for driving the gear to rotate; the spray gun is fixedly connected with the mounting plate.
In the scattering point spraying device of the stone texture-imitating aluminum plate, a plurality of spray guns are arranged, a plurality of lifting mechanisms are correspondingly arranged, and each spray gun is driven by different lifting mechanisms to independently move along the Z direction; the interval between each spray gun is adjustable.
A spraying process of stone-like aluminum plates comprises the following steps in sequence: pretreatment water washing, primer spraying, color paint spraying, first high-temperature baking, cooling, spot spraying, second high-temperature baking, varnish spraying and third high-temperature baking; the scattering point spraying device for the stone-like aluminum plate, which is used for scattering point spraying, according to any one of claims 1-9, wherein the scattering point spraying process comprises the following steps: and placing the aluminum plate on a workbench, spraying the aluminum plate by moving the spray gun forward along the X direction from one side of the front end of the aluminum plate, then moving the spray gun moving mechanism along the Y direction by a preset distance by using the Y-direction driving mechanism, spraying the aluminum plate by moving the spray gun reversely along the X direction, and repeating the steps until the whole aluminum plate is sprayed, and taking out the aluminum plate.
The beneficial effects are that:
the invention provides a scattering point spraying device of a stone-like aluminum plate and a spraying process thereof, wherein when the scattering point spraying is carried out, the aluminum plate is placed on a workbench, a spray gun is driven by a spray gun moving mechanism to move along the X direction and the Z direction and spray paint, then the spray gun moving mechanism is driven by a Y direction driving mechanism to move along the Y direction by a preset distance, the spray gun is driven by the spray gun moving mechanism to move along the X direction and the Z direction and spray paint, after the spraying is finished, the aluminum plate is taken out, the spray gun moves along a snake shape in the process, the whole aluminum plate can be completely covered, the scattering point spraying efficiency of the device is high, and compared with the manual spraying mode, the scattering point is uniform.
Drawings
Fig. 1 is a schematic diagram of an automatic spot spraying device for an aluminum plate.
Fig. 2 is a schematic structural view of a spraying device in the automatic spot spraying device for aluminum plates.
Fig. 3 is an enlarged view of the S portion in fig. 2.
Fig. 4 is a connection structure diagram between a mounting plate and an adjusting plate in the automatic spot spraying device for the aluminum plate.
Fig. 5 is a connection structure diagram of a transmission belt and a sliding table in the automatic point spraying device for the aluminum plate.
Fig. 6 is a cross-sectional view of one side of the Y-direction driving mechanism in the automatic spot spraying device for aluminum plates provided by the invention.
Fig. 7 is a schematic structural view of another spraying device in the automatic spot-spraying device for aluminum plates provided by the invention.
Fig. 8 is an enlarged view of the portion F in fig. 7.
Detailed Description
The invention provides a scattering point spraying device and a spraying process of a stone-like aluminum plate, which are used for making the purposes, the technical scheme and the effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Herein, the X direction refers to the horizontal movement direction of the spray gun, the Y direction is the direction horizontal to the X direction, and the Z direction is perpendicular to both the X direction and the Y direction.
Referring to fig. 1-8, the invention provides a scattering point spraying device for a stone-like aluminum plate, which comprises an oil supply device A, a pressure supply device B, a spraying device C and a control system; the spraying device C comprises a workbench 1, a plurality of (1 or more) spray guns 2 arranged above the workbench, a spray gun moving mechanism 3 for driving the spray guns to move along the X direction and the Z direction, and a Y-direction driving mechanism 4 for driving the spray gun moving mechanism to move along the Y direction; the pressure supply device B is used for supplying high-pressure air to the spray gun 2 and the oil supply device A, the oil supply device can convey paint to the spray gun under the action of the high-pressure air, and the spray gun can spray paint downwards under the action of the high-pressure air; the oil supply device, the pressure supply device and the spraying device are electrically connected with the control system and controlled by the control system to work.
When spraying the point, place aluminum plate 90 on the workstation, spray the coating along X direction and Z direction removal by spray gun moving mechanism drive spray gun, then move the distance of predetermineeing along Y direction by Y to actuating mechanism with spray gun moving mechanism, spray the coating along X direction and Z direction removal by spray gun moving mechanism drive spray gun again, take out aluminum plate after spraying, this process spray gun is along snakelike removal, can cover whole aluminum plate completely, use the device to carry out the efficiency of spraying the point spraying, and compare with the mode of manual spraying, the point of scattering is even. And because the spray gun can be lifted (namely, move along Z direction), the spray range and the size of the scattering point (the higher the spray range is, the larger the height is, the smaller the size of the scattering point is) can be adjusted by adjusting the height of the spray gun, the spray gun can be moved up and down to obtain scattering points with different sizes in the spray process, and the imitation stone simulation degree is improved.
The control system may specifically include a PLC controller, a single-chip microcomputer, and a corresponding control circuit, where in this embodiment, the PLC controller, the single-chip microcomputer, and the corresponding control circuit are disposed in a control electric box D, and the control electric box D is disposed on a stand of the workbench, as shown in fig. 2.
Specifically, referring to fig. 1, the oil supply apparatus a includes a pressure oil tank 5 for storing paint, a first air pressure regulating valve 6 provided at a high-pressure air inlet of the pressure oil tank, and a first flow control valve 7 provided at an oil outlet of the pressure oil tank; the first flow control valve is connected with the spray gun 2 through an oil delivery pipe. The first air pressure regulating valve can regulate the input air flow of the pressure oil drum so as to regulate the conveying pressure of the paint, the first flow control valve can regulate the conveying flow of the paint, and the first air pressure regulating valve and the first flow control valve are matched to regulate the spreading point. The first air pressure regulating valve 6 and the first flow control valve 7 are electrically connected with the control system and controlled by the control system to work.
Further, the pressure supply device B comprises an air compressor 8 and a first air pressure switch 9 arranged at the output end of the air compressor; the first air pressure switch is connected with the first air pressure regulating valve 6 and the spray gun 2 through an air pipe; a second air pressure regulating valve 10 is arranged between the first air pressure switch 9 and the spray gun 2. The output pressure of the air compressor can be detected through the first air pressure switch, and when the output pressure is too high, the alarm or the stop is timely carried out. The second air pressure regulating valve can regulate the air flow entering the spray gun, so that the larger the air flow is, the larger the spraying range is, and the smaller the size of the scattering point is. The air compressor 8, the first air pressure switch 9 and the second air pressure regulating valve 10 are electrically connected with a control system, and the control system controls the operation of the air compressor 8, the first air pressure switch 9 and the second air pressure regulating valve.
Preferably, a second air pressure switch 11 is connected in series between the first air pressure regulating valve 6 and the pressure oil tank 5, and between the second air pressure regulating valve 10 and the spray gun 2. The second air pressure switches can be used for detecting the input pressure of the pressure oil drum and the spray gun, and alarming or stopping in time when the output pressure is too high. The second air pressure switches 11 are electrically connected with the control system and are controlled by the control system to work.
A second flow control valve 12 may also be connected in series between the first flow control valve 7 and the lance 2 to improve the flow control reliability.
Specifically, see fig. 2, 5 and 6, the Y-direction driving mechanism 4 includes two C-shaped guide grooves 4.1 extending along the Y-direction and having upward openings, a transmission belt 4.2 is disposed in each C-shaped guide groove, a sliding table 4.3 is slidably disposed at the top of each C-shaped guide groove, the sliding table is fixedly connected with the corresponding transmission belt, the two transmission belts are synchronously driven by a linkage shaft 4.4 (the linkage shaft is connected with the driving pulleys of the two transmission belts), and the linkage shaft is driven by a servo motor 4.5. The servo motor 4.5 is electrically connected with the control system and is controlled by the control system to work. When the servo motor rotates, the two transmission belts are driven to synchronously move, so that the two sliding tables synchronously move on the upper parts of the corresponding C-shaped guide grooves, the pressure born by the sliding tables is born by the C-shaped guide grooves, and therefore the transmission belts cannot be deformed by transverse force.
Preferably, limit protrusions are arranged on two sides of the bottom of the sliding table 4.3, and the limit protrusions are abutted against two side faces of the C-shaped guide groove, as shown in fig. 6. The sliding table can be effectively prevented from being transversely positioned by the limiting protrusions, and the sliding table is ensured not to derail.
Specifically, as shown in fig. 2 and 3, the spray gun moving mechanism 3 includes two upright posts 3.1 respectively arranged on two sliding tables 4.3, a guide rail 3.2 connected between the two upright posts along the X direction, a sliding frame 3.3 slidably connected with the guide rail, an X-direction driving mechanism for driving the sliding frame to reciprocate on the guide rail, and a lifting mechanism arranged on the sliding frame and capable of moving along the Z direction; the spray gun is arranged on the lifting mechanism.
Further, the X-direction driving mechanism can be a screw drive X-direction driving mechanism or a rack drive X-direction driving mechanism.
Referring to fig. 2 and 3, the X-direction driving mechanism of the screw transmission comprises a screw transmission pair consisting of a screw 3.4 and a screw nut 3.5, and a servo motor 3.6 for driving the screw to rotate; the screw rod is connected between the two upright posts 3.1 along the X direction, and the screw rod nut is fixedly connected with the sliding frame 3.3. The screw rod is driven to reciprocate by the servo motor 3.6, and the screw rod nut can be driven to reciprocate along the X direction, so that the sliding frame can reciprocate. The servo motor 3.6 is electrically connected with the control system and is controlled by the control system to work.
Referring to fig. 7 and 8, the rack-driven X-direction driving mechanism includes a rack-and-pinion driving pair composed of a rack 3.11 and a corresponding gear (not shown), and a servo motor 3.12 for driving the gear to rotate; the rack is connected between the two upright posts along the X direction, the servo motor 3.12 is downwards fixed on the sliding frame 3.3, and the gear is arranged on the output shaft of the servo motor and meshed with the rack. The servo motor 3.12 drives the gear to rotate reciprocally, so that the carriage can be driven to move reciprocally. The servo motor 3.12 is electrically connected with the control system and is controlled by the control system to work.
In this embodiment, the carriage 3.3 is a C-shaped plate, two guide rails 3.2 are symmetrically arranged, the carriage is fastened on the two guide rails, and the screw nut 3.5 is arranged at the bottom of the carriage. Because the clamping effect of the two guide rails can prevent the sliding frame from rotating, the spray gun is prevented from swinging to influence the spraying effect.
Further, the lifting mechanism comprises a mounting plate 3.7 arranged on the sliding frame 3.3 in a sliding manner, a rack 3.8 arranged on one side of the mounting plate, a gear 3.9 meshed with the rack, and a motor 3.10 for driving the gear to rotate; the spray gun 2 is fixedly connected with the mounting plate 3.7. The mounting plate can be moved up and down through the forward and reverse rotation of the motor and the transmission of the gear and the rack, so that the spray gun is driven to move up and down.
Preferably, a plurality of (i.e. at least 2) spray guns 2 are provided, the lifting mechanisms are correspondingly provided with a plurality of spray guns, and each spray gun is driven by a different lifting mechanism to independently move along the Z direction; the interval between each spray gun is adjustable. The height of each spray gun can be independently adjusted by arranging a plurality of spray guns, and the spray guns are arranged to be different in height, so that scattering points with different sizes can be formed simultaneously during spraying, and part of scattering points can be overlapped to form protruding points, so that the simulation degree is further improved. The distance between the spray guns is adjusted, the size of the overlapping area between the spray ranges of the spray guns can be adjusted, and the adjustment can be carried out according to actual needs, so that a more real simulation effect can be obtained. Although fig. 1-3 illustrate the case of 2 lances, the number of lances is not limited and may be set as desired.
Specifically, a plurality of first sliding rails 3.3a are arranged on the sliding frame 3.3, a plurality of adjusting plates 3.3b are connected to the first sliding rails in a sliding mode, the adjusting plates are locked through locking screws 3.3c, and a lifting mechanism is arranged on each adjusting plate 3.3 b. By adjusting the spacing between the adjusting plates, spacing adjustment between the spray guns can be achieved.
Referring to fig. 4, a plurality of sliding blocks 3.7a are arranged at the back of the mounting plate 3.7, corresponding second sliding rails 3.3d are arranged on the side surface of the adjusting plate 3.3b, and the sliding blocks are slidably clamped in the corresponding second sliding rails. Through the cooperation of second slide rail and slider, can lead the motion of mounting panel to can avoid the mounting panel to transversely deviate from the second slide rail. In order to prevent the mounting plate from falling out of the second slide rail from the upper part or the lower part, a limiting protrusion 3.7b can be arranged at the upper end and the lower end of the mounting plate, and the mounting plate can be prevented from excessively moving through the abutting connection of the limiting protrusion and the adjusting plate 3.3 b.
Further, as shown in fig. 1, the oil outlet of the pressure oil drum 5 is connected with a plurality of first flow control valves 7 in parallel, and the first flow control valves are connected with the spray guns in a one-to-one correspondence manner through oil delivery pipes (namely, the number of the first flow control valves is the same as that of the spray guns, and each spray gun is correspondingly connected with one first flow control valve); the outlet of the pressure supply device B is connected with a plurality of second air pressure regulating valves 10 in parallel, and the second air pressure regulating valves are connected with the spray guns in a one-to-one correspondence manner through air pipes (namely, the number of the second air pressure regulating valves is the same as that of the spray guns, and each spray gun is correspondingly connected with one second air pressure regulating valve). The paint flow and the spraying air pressure of each spray gun can be independently adjusted, so that the spraying range and the spraying point size of each spray gun can be independently adjusted under the condition of a certain height, and a user can obtain an aluminum plate with better simulation effect through proper adjustment.
In addition, can set up a limit baffle 1.1 on workstation 1, the front end butt of aluminum plate is on this limit baffle when placing aluminum plate to make one side butt of aluminum plate on the lateral wall of one of them C type guide way, therefore no matter how big the width of aluminum plate, its front end one side position is all fixed, consequently can regard this position as the initial position of spray gun, all get back to this position when the spray gun resets, every time accomplish the spraying of an aluminum plate, the spray gun all resets, so when spraying new aluminum plate, initial position all the same, ensure that monoblock aluminum plate homoenergetic is sprayed (i.e. can not appear leaking and spout), and the control procedure to the spray gun can be simplified.
The invention also provides a spraying process of the stone-like aluminum plate, which comprises the following steps of: pretreatment water washing, primer spraying, color paint spraying, first high-temperature baking, cooling, spot spraying, second high-temperature baking, varnish spraying and third high-temperature baking; the scattering point spraying device for the stone-like aluminum plate, which is used for scattering point spraying, according to any one of claims 1-9, wherein the scattering point spraying process comprises the following steps: and placing the aluminum plate on a workbench, spraying the aluminum plate by moving the spray gun forward along the X direction from one side of the front end of the aluminum plate, then moving the spray gun moving mechanism along the Y direction by a preset distance by using the Y-direction driving mechanism, spraying the aluminum plate by moving the spray gun reversely along the X direction, and repeating the steps until the whole aluminum plate is sprayed, and taking out the aluminum plate.
The pretreatment water washing process specifically comprises the following steps of: the method comprises the steps of first cleaning, alkali cleaning, second cleaning, acid cleaning, third cleaning, first pure cleaning, etching, fourth cleaning, passivation, fifth cleaning and second pure cleaning.
The preset distance is a stepping distance preset in the control system, and is not larger than the spraying width of the spray gun in the Y direction (when a plurality of spray guns exist, the spraying width refers to the spraying width of the spray gun with the largest spraying range in the Y direction), so that the whole upper surface of the aluminum plate can be sprayed.
In the spraying process of the scattering points, the moving speed, the height, the coating flow and the spraying pressure of each spray gun can be controlled to continuously change according to a preset rule, so that the regularly-changing scattering points are formed on the surface of the aluminum plate.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present invention and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention.
Claims (4)
1. The point spraying device for the stone-like aluminum plate is characterized by comprising an oil supply device, a pressure supply device, a spraying device and a control system; the spraying device comprises a workbench, a plurality of spray guns arranged above the workbench, a spray gun moving mechanism for driving the spray guns to move along the X direction and the Z direction, and a Y-direction driving mechanism for driving the spray gun moving mechanism to move along the Y direction; the pressure supply device is used for supplying high-pressure air to the spray gun and the oil supply device, the oil supply device can convey paint to the spray gun under the action of the high-pressure air, and the spray gun can spray paint downwards under the action of the high-pressure air; the oil supply device, the pressure supply device and the spraying device are electrically connected with the control system and controlled by the control system to work;
the oil supply device comprises a pressure oil tank for storing paint, a first air pressure regulating valve arranged at a high-pressure air inlet of the pressure oil tank, and a first flow control valve arranged at an oil outlet of the pressure oil tank; the first flow control valve is connected with the spray gun through an oil pipeline;
the pressure supply device comprises an air compressor and a first air pressure switch arranged at the output end of the air compressor; the first air pressure switch is connected with the first air pressure regulating valve and the spray gun through an air pipe; a second air pressure regulating valve is arranged between the first air pressure switch and the spray gun;
the Y-direction driving mechanism comprises two C-shaped guide grooves which extend along the Y direction and are upward in opening, a transmission belt is arranged in each C-shaped guide groove, a sliding table is slidably arranged at the top of each C-shaped guide groove, the sliding table is fixedly connected with the corresponding transmission belt, the two transmission belts are synchronously driven by a linkage shaft, and the linkage shaft is driven by a servo motor;
the spray gun moving mechanism comprises two upright posts respectively arranged on the two sliding tables, a guide rail connected between the two upright posts along the X direction, a sliding frame connected with the guide rail in a sliding manner, an X-direction driving mechanism for driving the sliding frame to reciprocate on the guide rail, and a lifting mechanism arranged on the sliding frame and capable of moving along the Z direction; the spray gun is arranged on the lifting mechanism;
the spray guns are provided with a plurality of lifting mechanisms, and each spray gun is driven by different lifting mechanisms to independently move along the Z direction; the interval between each spray gun is adjustable;
the sliding frame is provided with a plurality of first sliding rails, a plurality of adjusting plates are connected to the first sliding rails in a sliding manner, the adjusting plates are locked through locking screws, and each adjusting plate is provided with a lifting mechanism; the lifting mechanism comprises a mounting plate arranged on the sliding frame in a sliding way, a rack arranged on one side of the mounting plate, a gear meshed with the rack, and a motor for driving the gear to rotate; the spray gun is fixedly connected with the mounting plate;
the back of the mounting plate is provided with a plurality of sliding blocks, the side surface of the adjusting plate is provided with corresponding second sliding rails, and the sliding blocks are slidably clamped in the corresponding second sliding rails;
the upper and lower ends of the mounting plate are provided with limiting protrusions.
2. The scattering point spraying device of the stone-like aluminum plate according to claim 1, wherein the X-direction driving mechanism comprises a screw transmission pair consisting of a screw and a screw nut and a servo motor for driving the screw to rotate; the screw rod is connected between the two upright posts along the X direction, and the screw rod nut is fixedly connected with the sliding frame.
3. The scattering point spraying device of the stone-like aluminum plate according to claim 1, wherein the X-direction driving mechanism comprises a gear-rack transmission pair consisting of a rack and a corresponding gear, and a servo motor for driving the gear to rotate; the rack is connected between the two upright posts along the X direction, the servo motor is downwards fixed on the sliding frame, and the gear is arranged on the output shaft of the servo motor and meshed with the rack.
4. The spraying process of the stone-like aluminum plate is characterized by comprising the following steps of: pretreatment water washing, primer spraying, color paint spraying, first high-temperature baking, cooling, spot spraying, second high-temperature baking, varnish spraying and third high-temperature baking; the scattering point spraying device for the stone-like aluminum plate, which is used for scattering point spraying, according to any one of claims 1-3, wherein the scattering point spraying process comprises the following steps: and placing the aluminum plate on a workbench, spraying the aluminum plate by moving the spray gun forward along the X direction from one side of the front end of the aluminum plate, then moving the spray gun moving mechanism along the Y direction by a preset distance by using the Y-direction driving mechanism, spraying the aluminum plate by moving the spray gun reversely along the X direction, and repeating the steps until the whole aluminum plate is sprayed, and taking out the aluminum plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910150657.9A CN109865612B (en) | 2019-02-28 | 2019-02-28 | Spreading point spraying device and spraying process of stone-like aluminum plate |
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| CN201910150657.9A CN109865612B (en) | 2019-02-28 | 2019-02-28 | Spreading point spraying device and spraying process of stone-like aluminum plate |
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| CN109865612B true CN109865612B (en) | 2024-03-19 |
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| CN110302929A (en) * | 2019-07-29 | 2019-10-08 | 佛山市顺德区风生水起自动化机械设备有限公司 | A kind of nanometer water spraying equipment applied to glass processing |
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